Transmigrated as the Villain's Lackey: I Chose the Wrong Boss on Purpose

I transmigrated into a novel as the lowest cannon fodder—the villain's expendable sidekick. But I awakened a bizarre Tipping System that rewards me based on how much my boss spends on me. The system wants me to cozy up to the broke protagonist? Hard pass. I've read this book, and I know the villain is the real jackpot: loyal, loaded, and destined for greatness. So I ditched the hero, clung to the villain's coattails, and rewrote both our fates. No romance, just brotherhood, power-ups, and stealing the protagonist's golden finger along the way.